This serial also called One-saw-completed flycreen window it means: The housing and pulling girder have been assembled OK in factory, the customer only need to cut according to the size of their window then pull out the pulling girder and cut down a little to install the pulling girder end cap is OK.

Its rail just need cut the long rails according to the height of the window then install the rail block is OK.

There is one groove and one decorate strip at the side of every rail, so it is very easy to install and can drill holes anywhere in the groove then fixed by screw nails to install.

There is one decorate strip, can be used to estop the exposed screw nails, to make the externality very beautiful.

Anyone who need screen window can install by himself easily, don't need professional worker's help.